TORONTO (Standard & Poor's) Nov. 7, 2005--Standard & Poor's Ratings Services today said it assigned its 'BBB-' long-term corporate credit rating to AltaLink Investments L.P. (AILP), an Alberta-based holding company. The outlook is stable. AILP is the sole limited partner of AltaLink L.P. (AltaLink; A-/Stable/--), an Alberta-based electricity transmission company. AILP does not conduct active business operations. The ratings on AILP reflect the business risk profile of AltaLink's low-risk, regulated monopoly transmission assets and the support of AILP's ultimate and creditworthy unitholders. These strengths are offset by a weak financial profile, cash flow restrictions due to a ring-fenced limited partnership structure, and single-asset exposure. "Although the ratings on both AILP and AltaLink largely reflect their stand-alone credit quality, the ratings